Home / 47,000.97-70,485.05-18,913.74

Finding the Fourth Proportional to 47,000.97, 70,485.05 and 18,913.74

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Solution

The fourth proportional to 47,000.97, 70,485.05 and 18,913.74 is: 28,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,000.97 : 70,485.05 = 18,913.74 : x
  2. Step 2: Convert to fraction form
    47,000.97/70,485.05 = 18,913.74/x
  3. Step 3: Cross multiply
    47,000.97x = 70,485.05 × 18,913.74
  4. Step 4: Simplify right side
    47,000.97x = 1,333,135,909.59
  5. Step 5: Solve for x
    x = 1,333,135,909.59/47,000.97
  6. Step 6: Final answer
    x = 28,364.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.